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1. 发明申请

US20090305884A1 Method for Producing Water Absorbent Resin Particle 有权
标题翻译：生产吸水树脂颗粒的方法
公开(公告)号：US20090305884A1
公开(公告)日：2009-12-10
申请号：US12296808
申请日：2007-09-28
申请人： Shigeru Sakamoto , Yoshio Irie , Hiroyuki Ikeuchi , Makoto Nagasawa , Kunihiko Ishizaki , Sayaka Machida
发明人： Shigeru Sakamoto , Yoshio Irie , Hiroyuki Ikeuchi , Makoto Nagasawa , Kunihiko Ishizaki , Sayaka Machida
IPC分类号： B01J20/26
CPC分类号： C08J3/12 , B29B9/06 , B29B17/00 , C08J2300/14 , Y02W30/62
摘要： The present invention provides a method for producing a water absorbent resin particle, in high productivity, not only in a controlled manner of particle size but also enhancing fundamental property (absorption capacity or absorption capacity against pressure) of a water absorbent resin. A method for producing a water absorbent resin particle having the cross-linking polymerization step for an aqueous solution of an unsaturated monomer; the grain refining step for water-swellable, water-containing gel-like cross-linked polymer (a) obtained in the cross-linking polymerization step; the drying step for grain refined gel; and the crushing step for a dried substance, wherein, in the grain refining step for the water-swellable, water-containing gel-like cross-linked polymer (a), water-swellable, water-containing gel-like cross-linked polymer (b), having solid content or centrifuge retention capacity different from solid content or centrifuge retention capacity of the cross-linked polymer (a) by equal to or larger than 1%, is subjected to coexistence.
摘要翻译：本发明提供了一种生产吸水性树脂颗粒的方法，不仅以受控的粒度控制，而且提高了吸水性树脂的基本性能（吸收能力或抗吸收能力）。一种制备具有用于不饱和单体的水溶液的交联聚合步骤的吸水性树脂颗粒的方法; 在交联聚合步骤中获得的水溶胀性含水凝胶状交联聚合物（a）的晶粒细化步骤; 颗粒精制凝胶的干燥步骤; 和干物质的破碎步骤，其中在水溶胀性含水凝胶状交联聚合物（a）的晶粒细化工序中，水溶胀性含水凝胶状交联聚合物（b）具有不同于交联聚合物（a）的固体含量或离心保留能力等于或大于1％的固体含量或离心保留能力共存。

2. 发明授权

US09593212B2 Method for producing water absorbent resin particle 有权
标题翻译：吸水性树脂颗粒的制造方法
公开(公告)号：US09593212B2
公开(公告)日：2017-03-14
申请号：US12296808
申请日：2007-09-28
申请人： Shigeru Sakamoto , Yoshio Irie , Hiroyuki Ikeuchi , Makoto Nagasawa , Kunihiko Ishizaki , Sayaka Machida
发明人： Shigeru Sakamoto , Yoshio Irie , Hiroyuki Ikeuchi , Makoto Nagasawa , Kunihiko Ishizaki , Sayaka Machida
IPC分类号： C08J3/12 , B29B17/00
CPC分类号： C08J3/12 , B29B9/06 , B29B17/00 , C08J2300/14 , Y02W30/62
摘要： The present invention provides a method for producing a water absorbent resin particle, in high productivity, not only in a controlled manner of particle size but also enhancing fundamental property (absorption capacity or absorption capacity against pressure) of a water absorbent resin. A method for producing a water absorbent resin particle having the cross-linking polymerization step for an aqueous solution of an unsaturated monomer; the grain refining step for water-swellable, water-containing gel-like cross-linked polymer (a) obtained in the cross-linking polymerization step; the drying step for grain refined gel; and the crushing step for a dried substance, wherein, in the grain refining step for the water-swellable, water-containing gel-like cross-linked polymer (a), water-swellable, water-containing gel-like cross-linked polymer (b), having solid content or centrifuge retention capacity different from solid content or centrifuge retention capacity of the cross-linked polymer (a) by equal to or larger than 1%, is subjected to coexistence.
摘要翻译：本发明提供了一种生产吸水性树脂颗粒的方法，不仅以受控的粒度控制，而且提高了吸水性树脂的基本性能（吸收能力或抗吸收能力）。一种制备具有用于不饱和单体的水溶液的交联聚合步骤的吸水性树脂颗粒的方法; 在交联聚合步骤中获得的水溶胀性含水凝胶状交联聚合物（a）的晶粒细化步骤; 颗粒精制凝胶的干燥步骤; 和干物质的破碎步骤，其中在水溶胀性含水凝胶状交联聚合物（a）的晶粒细化工序中，水溶胀性含水凝胶状交联聚合物（b）具有不同于交联聚合物（a）的固体含量或离心保留能力等于或大于1％的固体含量或离心保留能力共存。

3. 发明授权

US06562879B1 Water-absorbent resin powder and its production process and use 有权
标题翻译：吸水树脂粉及其生产工艺及用途
公开(公告)号：US06562879B1
公开(公告)日：2003-05-13
申请号：US09502823
申请日：2000-02-11
申请人： Takumi Hatsuda , Hiroyuki Ikeuchi , Koji Miyake , Yoshio Irie , Kunihiko Ishizaki
发明人： Takumi Hatsuda , Hiroyuki Ikeuchi , Koji Miyake , Yoshio Irie , Kunihiko Ishizaki
IPC分类号： C08J916
CPC分类号： C08J3/12 , C08J3/122 , C08J2300/14
摘要： The present invention provides a water-absorbent resin powder and its production process and use, wherein the water-absorbent resin powder has high liquid permeability and high water absorbency. The production process for a water-absorbent resin powder, according to the present invention, comprises the step of obtaining water-absorbent crosslinked polymer particles by an aqueous solution polymerization step, and grinding the resultant crosslinked polymer particles until the bulk density thereof increases to not lower than 0.72 (g/ml). The water-absorbent resin powder is characterized by being arbitrarily pulverized and having a bulk density of not lower than 0.74 (g/ml) and a water absorption capacity of not lower than 20 (g/g) for 0.9 weight % physiological saline under a load of 0.7 psi (4.83 kPa). In addition, the absorbent structure comprises the above water-absorbent resin powder and a fibrous material. The absorbent article comprises an absorbent layer including the above absorbent structure.
摘要翻译：本发明提供吸水性树脂粉末及其制造方法和用途，其中吸水性树脂粉末具有高透液性和高吸水性。根据本发明的吸水性树脂粉末的制造方法包括通过水溶液聚合步骤获得吸水性交联聚合物颗粒的步骤，并研磨所得交联聚合物颗粒，直到其堆积密度增加至不低于0.72（g / ml）。吸水性树脂粉末的特征在于任意粉碎，堆积密度不低于0.74（g / ml），对于0.9重量％生理盐水的吸水能力不低于20（g / g）负载0.7 psi（4.83 kPa）。此外，吸收性结构体包含上述吸水性树脂粉末和纤维材料。吸收性物品包括包含上述吸收结构的吸收层。

4. 发明授权

US08791210B2 Polyacrylic water-absorbent resin powder and method for producing the same 有权
标题翻译：聚丙烯酸吸水性树脂粉末及其制造方法
公开(公告)号：US08791210B2
公开(公告)日：2014-07-29
申请号：US13201701
申请日：2010-02-17
申请人： Shigeru Sakamoto , Yoshio Irie , Kozo Nogi , Kunihiko Ishizaki
发明人： Shigeru Sakamoto , Yoshio Irie , Kozo Nogi , Kunihiko Ishizaki
IPC分类号： C08C19/00 , C08F20/10 , C08F222/20 , C08F2/34 , C08F8/00
CPC分类号： C08C19/00 , C08F2/10 , C08F2/16 , C08F2/34 , C08F8/00 , C08F20/10 , C08F220/06 , C08F222/20
摘要： A method for producing a polyacrylic water-absorbent resin powder includes the steps of: producing an acrylic monomer solution in which gas is dissolved and/or dispersed; polymerizing the monomer solution in the absence of a surface active agent or in the presence of not more than 300 ppm of a surface active agent; during or after polymerizing, fragmenting the resulting hydrated gel crosslinked polymer; and drying the fragmented hydrated gel crosslinked polymer, the gas being dissolved and/or dispersed in the monomer solution by (a) applying pressure to the acrylic monomer solution and the gas; (b) creating swirling flows of the acrylic monomer solution and the gas; or (c) introducing the gas with the acrylic monomer solution via fine holes. The production method efficiently produces a water-absorbent resin having an excellent water-absorption rate without deteriorating a liquid-absorbent property of a sanitary product or the like.
摘要翻译：聚丙烯酸吸水性树脂粉末的制造方法包括以下工序：制造溶解和/或分散有气体的丙烯酸类单体溶液; 在不存在表面活性剂的情况下或在不超过300ppm表面活性剂的存在下聚合单体溶液; 在聚合期间或之后，将所得水合凝胶交联聚合物破碎; 并且通过（a）向丙烯酸单体溶液和气体施加压力，干燥碎裂的水合凝胶交联聚合物，气体溶解和/或分散在单体溶液中; （b）产生丙烯酸单体溶液和气体的旋流; 或（c）通过细孔将丙烯酸单体溶液引入气体。制造方法有效地制造吸水率优异的吸水性树脂，而不会降低卫生用品等的吸液性。

5. 发明申请

US20110313113A1 Polyacrylic water-absorbent resin powder and method for producing the same 有权
标题翻译：聚丙烯酸吸水性树脂粉末及其制造方法
公开(公告)号：US20110313113A1
公开(公告)日：2011-12-22
申请号：US13201701
申请日：2010-02-17
申请人： Shigeru Sakamoto , Yoshio Irie , Kozo Nogi , Kunihiko Ishizaki
发明人： Shigeru Sakamoto , Yoshio Irie , Kozo Nogi , Kunihiko Ishizaki
IPC分类号： C08F222/20 , C08F2/34 , C08F2/04 , C08F8/00
CPC分类号： C08C19/00 , C08F2/10 , C08F2/16 , C08F2/34 , C08F8/00 , C08F20/10 , C08F220/06 , C08F222/20
摘要： A production method of the present invention is a polyacrylic water-absorbent resin powder production method including the steps of: producing an acrylic monomer solution in which gas is dissolved and/or dispersed; polymerizing the acrylic monomer solution in the absence of a surface active agent or in the presence of not more than 300 ppm of a surface active agent; during or after the step of polymerizing, fragmenting a hydrated gel crosslinked polymer obtained by polymerizing the acrylic monomer solution; and drying by heat the hydrated gel crosslinked polymer thus fragmented, the gas being dissolved and/or dispersed in the acrylic monomer solution by at least one of the methods (a) to (c): (a) applying pressure to the acrylic monomer solution and the gas; (b) creating swirling flows of the acrylic monomer solution and the gas; and (c) introducing the gas with the acrylic monomer solution via fine holes. Accordingly, the production method of the present invention makes it possible to efficiently produce a water-absorbent resin having an excellent water-absorption rate without deteriorating a liquid-absorbent property of a sanitary product or the like.
摘要翻译：本发明的制造方法是聚丙烯酸类吸水性树脂粉末的制造方法，其特征在于，包括以下工序：制造溶解和/或分散有气体的丙烯酸类单体溶液; 在不存在表面活性剂的情况下或在不超过300ppm的表面活性剂的存在下聚合丙烯酸类单体溶液; 在通过聚合丙烯酸类单体溶液获得的水合凝胶交联聚合物聚合步骤期间或之后，并通过加热干燥由此分解的水合凝胶交联聚合物，气体通过方法（a）至（c）中的至少一种溶解和/或分散在丙烯酸单体溶液中：（a）向丙烯酸单体溶液施加压力和气体; （b）产生丙烯酸单体溶液和气体的旋流; 和（c）通过细孔将丙烯酸单体溶液引入气体。因此，本发明的制造方法能够有效地制造吸水率优异的吸水性树脂，而不会降低卫生用品等的吸液性。

6. 发明申请

US20070123658A1 Water absorbent and producing method of same 有权
标题翻译：吸水剂及其制备方法
公开(公告)号：US20070123658A1
公开(公告)日：2007-05-31
申请号：US10572565
申请日：2004-09-17
申请人： Kazushi Torii , Hirofumi Shibata , Taku Iwamura , Yoshio Irie , Yorimichi Dairoku , Yoshiro Mitsukami , Sayaka Machida
发明人： Kazushi Torii , Hirofumi Shibata , Taku Iwamura , Yoshio Irie , Yorimichi Dairoku , Yoshiro Mitsukami , Sayaka Machida
IPC分类号： C08F120/02
CPC分类号： C08J3/245 , A61L15/60 , B01J20/261 , B01J2220/68 , C08F20/06 , C08J2333/00
摘要： An object of the present invention is to provide a water absorbent having excellent gel properties and showing excellent properties when used in a water-absorbing material of a sanitary/hygienic material such as paper diaper. Moreover, another object of the present invention is to provide a water absorbent which is safe and excellent in liquid permeability, and in which an amount of liquid permeability improver for improving the liquid permeability is reduced. The water absorbent is made from a water-absorbing resin prepared by a specific polymerization method and having a high degree of cross-linking, a high liquid holding property and a high gel strength (its swelling pressure of gel layer of is 35 kdyne/cm2 or more). This water absorbent is further processed to have a particular particle size distribution (95 wt % or more of its particles are less than 850ƒÊm but not less than 106ƒÊm, and logarithmic standard deviation (ƒĐƒÄ) is in a range of 0.25 to 0.45) and then surface cross-linked. After that, a liquid permeability improver is added therein.
摘要翻译：本发明的目的是提供一种具有优异凝胶性能的吸水剂，并且当用于诸如纸尿布的卫生/卫生材料的吸水材料时显示出优异的性能。此外，本发明的另一个目的是提供一种安全且透液性优异的吸水剂，并且其中用于提高液体渗透性的液体渗透性改进剂的量减少。吸水剂由具有高交联度，高液体保持性和高凝胶强度（凝胶层的溶胀压力为35kDyne / cm2）的特定聚合方法制成的吸水性树脂或者更多）。该吸水剂被进一步处理以具有特定的粒度分布（其颗粒的95重量％以上小于850微米但不小于106微米，对数标准偏差（fDfÄ）在0.25至0.45的范围内），然后表面交联。之后，加入液体渗透性改进剂。

7. 发明授权

US08497226B2 Water absorbent and producing method of same 有权
标题翻译：吸水剂及其制备方法
公开(公告)号：US08497226B2
公开(公告)日：2013-07-30
申请号：US12805685
申请日：2010-08-13
申请人： Kazushi Torii , Hirofumi Shibata , Taku Iwamura , Yoshio Irie , Yorimichi Dairoku , Yoshiro Mitsukami , Sayaka Machida
发明人： Kazushi Torii , Hirofumi Shibata , Taku Iwamura , Yoshio Irie , Yorimichi Dairoku , Yoshiro Mitsukami , Sayaka Machida
IPC分类号： B01J20/26 , C08F20/06
CPC分类号： C08J3/245 , A61L15/60 , B01J20/261 , B01J2220/68 , C08F20/06 , C08J2333/00
摘要： An object of the present invention is to provide a water absorbent having excellent gel properties and showing excellent properties when used in a water-absorbing material of a sanitary/hygienic material such as paper diaper. Moreover, another object of the present invention is to provide a water absorbent which is safe and excellent in liquid permeability, and in which an amount of liquid permeability improver for improving the liquid permeability is reduced. The water absorbent is made from a water-absorbing resin prepared by a specific polymerization method and having a high degree of cross-linking, a high liquid holding property and a high gel strength (its swelling pressure of gel layer of is 35 kdyne/cm2 or more). This water absorbent is further processed to have a particular particle size distribution (95 wt % or more of its particles are less than 850ƒÊm but not less than 106ƒÊm, and logarithmic standard deviation (ƒĐƒÄ) is in a range of 0.25 to 0.45) and then surface cross-linked. After that, a liquid permeability improver is added therein.
摘要翻译：本发明的目的是提供一种具有优异凝胶性能的吸水剂，并且当用于诸如纸尿布的卫生/卫生材料的吸水材料时显示出优异的性能。此外，本发明的另一个目的是提供一种安全且透液性优异的吸水剂，其中用于提高液体渗透性的液体渗透性改进剂的量减少。吸水剂由具有高交联度，高液体保持性和高凝胶强度（凝胶层的溶胀压力为35kDyne / cm2）的特定聚合方法制成的吸水性树脂或者更多）。该吸水剂被进一步处理以具有特定的粒度分布（其颗粒的95重量％以上小于850微米但不小于106微米，对数标准偏差（fDfÄ）在0.25至0.45的范围内），然后表面交联。之后，加入液体渗透性改进剂。

8. 发明申请

US20100308263A1 WATER ABSORBENT AND PRODUCING METHOD OF SAME 有权
标题翻译：吸水及其生产方法
公开(公告)号：US20100308263A1
公开(公告)日：2010-12-09
申请号：US12805685
申请日：2010-08-13
申请人： Kazushi Torii , Hirofumi Shibata , Taku Iwamura , Yoshio Irie , Yorimichi Dairoku , Yoshiro Mitsukami , Sayaka Machida
发明人： Kazushi Torii , Hirofumi Shibata , Taku Iwamura , Yoshio Irie , Yorimichi Dairoku , Yoshiro Mitsukami , Sayaka Machida
IPC分类号： B01J20/26 , C08F120/06
CPC分类号： C08J3/245 , A61L15/60 , B01J20/261 , B01J2220/68 , C08F20/06 , C08J2333/00
摘要： An object of the present invention is to provide a water absorbent having excellent gel properties and showing excellent properties when used in a water-absorbing material of a sanitary/hygienic material such as paper diaper. Moreover, another object of the present invention is to provide a water absorbent which is safe and excellent in liquid permeability, and in which an amount of liquid permeability improver for improving the liquid permeability is reduced. The water absorbent is made from a water-absorbing resin prepared by a specific polymerization method and having a high degree of cross-linking, a high liquid holding property and a high gel strength (its swelling pressure of gel layer of is 35 kdyne/cm2 or more). This water absorbent is further processed to have a particular particle size distribution (95 wt % or more of its particles are less than 850ƒÊm but not less than 106ƒÊm, and logarithmic standard deviation (ƒĐƒÄ) is in a range of 0.25 to 0.45) and then surface cross-linked. After that, a liquid permeability improver is added therein.
摘要翻译：本发明的目的是提供一种具有优异凝胶性能的吸水剂，并且当用于诸如纸尿布的卫生/卫生材料的吸水材料时显示出优异的性能。此外，本发明的另一个目的是提供一种安全且透液性优异的吸水剂，其中用于提高液体渗透性的液体渗透性改进剂的量减少。吸水剂由具有高交联度，高液体保持性和高凝胶强度（凝胶层的溶胀压力为35kDyne / cm2）的特定聚合方法制成的吸水性树脂或者更多）。该吸水剂被进一步处理以具有特定的粒度分布（其颗粒的95重量％或更多小于850度，但不小于106度，对数标准偏差（ƒðƒÄ）在0.25至0.45的范围内），然后表面交联。之后，加入液体渗透性改进剂。

9. 发明授权

US07803880B2 Water absorbent and producing method of same 有权
标题翻译：吸水剂及其制备方法
公开(公告)号：US07803880B2
公开(公告)日：2010-09-28
申请号：US10572565
申请日：2004-09-17
申请人： Kazushi Torii , Hirofumi Shibata , Taku Iwamura , Yoshio Irie , Yorimichi Dairoku , Yoshiro Mitsukami , Sayaka Machida
发明人： Kazushi Torii , Hirofumi Shibata , Taku Iwamura , Yoshio Irie , Yorimichi Dairoku , Yoshiro Mitsukami , Sayaka Machida
IPC分类号： C08F20/02
CPC分类号： C08J3/245 , A61L15/60 , B01J20/261 , B01J2220/68 , C08F20/06 , C08J2333/00
摘要： An object of the present invention is to provide a water absorbent having excellent gel properties and showing excellent properties when used in a water-absorbing material of a sanitary/hygienic material such as paper diaper. Moreover, another object of the present invention is to provide a water absorbent which is safe and excellent in liquid permeability, and in which an amount of liquid permeability improver for improving the liquid permeability is reduced. The water absorbent is made from a water-absorbing resin prepared by a specific polymerization method and having a high degree of cross-linking, a high liquid holding property and a high gel strength (its swelling pressure of gel layer of is 35 kdyne/cm2 or more). This water absorbent is further processed to have a particular particle size distribution (95 wt % or more of its particles are less than 850ƒÊm but not less than 106ƒÊm, and logarithmic standard deviation (ƒĐƒÄ) is in a range of 0.25 to 0.45) and then surface cross-linked. After that, a liquid permeability improver is added therein.
摘要翻译：本发明的目的是提供一种具有优异凝胶性能的吸水剂，并且当用于诸如纸尿布的卫生/卫生材料的吸水材料时显示出优异的性能。此外，本发明的另一个目的是提供一种安全且透液性优异的吸水剂，其中用于提高液体渗透性的液体渗透性改进剂的量减少。吸水剂由具有高交联度，高液体保持性和高凝胶强度（凝胶层的溶胀压力为35kDyne / cm2）的特定聚合方法制成的吸水性树脂或者更多）。该吸水剂被进一步处理以具有特定的粒度分布（其颗粒的95重量％或更多小于850度，但不小于106度，对数标准偏差（ƒðƒÄ）在0.25至0.45的范围内），然后表面交联。之后，加入液体渗透性改进剂。

10. 发明授权

US4920202A Method for production of hydrophilic polymer from hydrated gel polymer 失效
标题翻译：从水合凝胶聚合物制备亲水聚合物的方法
公开(公告)号：US4920202A
公开(公告)日：1990-04-24
申请号：US187866
申请日：1988-04-29
申请人： Yoshio Irie , Kaoru Iwasaki , Takumi Hatsuda , Kazumasa Kimura , Nobuyuki Harada , Kunihiko Ishizaki , Tadao Shimomura , Teruaki Fujiwara
发明人： Yoshio Irie , Kaoru Iwasaki , Takumi Hatsuda , Kazumasa Kimura , Nobuyuki Harada , Kunihiko Ishizaki , Tadao Shimomura , Teruaki Fujiwara
IPC分类号： C08F6/00
CPC分类号： C08F6/001
摘要： A method for the production of a hydrophilic polymer having a small residual monomer content from a hydrated gel polymer, which method comprises drying said hydrated gel polymer by contact thereof with a gas containing at least steam and having a dew point in the range of 50.degree. to 100.degree. C. at a temperature in the range of 80.degree. C. to 250.degree. C., and a hydrophilic polymer obtained therefrom.

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